lkml.org 
[lkml]   [2017]   [Aug]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 03/13] perf trace: Fix off by one string allocation problem
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

We need to consider the null terminator, oops, fix it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes: 017037ff3d0b ("perf trace: Allow specifying list of syscalls and events in -e/--expr/--event")
Link: http://lkml.kernel.org/n/tip-j79jpqqe91gvxqmsgxgfn2ni@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-trace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index de02413a25d3..91905839e386 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2806,7 +2806,7 @@ static int trace__parse_events_option(const struct option *opt, const char *str,
struct trace *trace = (struct trace *)opt->value;
const char *s = str;
char *sep = NULL, *lists[2] = { NULL, NULL, };
- int len = strlen(str), err = -1, list;
+ int len = strlen(str) + 1, err = -1, list;
char *strace_groups_dir = system_path(STRACE_GROUPS_DIR);
char group_name[PATH_MAX];

--
2.13.5
\
 
 \ /
  Last update: 2017-08-21 21:26    [W:2.222 / U:0.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site